Finding the Fourth Proportional to 1,395,734.19, 1,926,844.86 and 939,248.97
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Solution
The fourth proportional to 1,395,734.19, 1,926,844.86 and 939,248.97 is: 1,296,655.95
Step by Step Solution
- Step 1: Write the proportion equation
1,395,734.19 : 1,926,844.86 = 939,248.97 : x - Step 2: Convert to fraction form
1,395,734.19/1,926,844.86 = 939,248.97/x - Step 3: Cross multiply
1,395,734.19x = 1,926,844.86 × 939,248.97 - Step 4: Simplify right side
1,395,734.19x = 1,809,787,041,118.03 - Step 5: Solve for x
x = 1,809,787,041,118.03/1,395,734.19 - Step 6: Final answer
x = 1,296,655.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.